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三角形的三线
Author:
Xiaoting Yuan
Topic:
Triangles
GeoGebra
New Resources
算柱 (兩位數)
三位數除以一位數（一）
三位數除以一位數（二）
異分母分數減法
画直线等分三角形的面积
Discover Resources
扇形滾動2
一點在圓上跑一點在三角形上跑兩點中點軌跡
堆一堆222
圓心角
椭圆的两条垂直切线的交点轨迹
Discover Topics
Random Experiments
Hypergeometric Distribution
Hypothesis Testing
Reflection
Dilation